Finding the Third Proportional to 3,657,566.50 and 8,039,123

Step by Step Solution

1. Step 1: Write the proportion equation
   3,657,566.50 : 8,039,123 = 8,039,123 : x
2. Step 2: Convert to fraction form
   3,657,566.50/8,039,123 = 8,039,123/x
3. Step 3: Cross multiply
   3,657,566.50x = 8,039,123 × 8,039,123
4. Step 4: Simplify right side
   3,657,566.50x = 64,627,498,609,129
5. Step 5: Solve for x
   x = 64,627,498,609,129/3,657,566.50
6. Step 6: Final answer
   x = 17,669,534.81